Table 1.

Definitions for grades representing the measures of improvement for the urine excretion volume, ascites and edema

	Measure of improvement
	Significant improvement	Improvement	No improvement
Grade	A	B	C
Volume of urine excretion	Increased by > 1000 mL/24 h	Increased by 500-1000 mL/24 h	Increased by < 500 mL/24 h
Abdominal circumference	Decreased by > 2 cm	Decreased by 0-2 cm	No change
Edema (lower extremities)	A lack of visible pitting	Presence of visible pitting	Distinctly visible pitting